/Engine/Source/Editor/MeshPaint/Public/MeshPaintHelpers.h
Retrieves the per-instance vertex colors from the given LOD level in the StaticMeshComponent
static [TArray](API\Runtime\Core\Containers\TArray)< [FColor](API\Runtime\Core\Math\FColor) > GetInstanceColorDataForLOD ( const [UStaticMeshComponent](API\Runtime\Engine\Components\UStaticMeshComponent) * MeshComponent, int32 LODIndex )